diff options
Diffstat (limited to 'sdext/source/pdfimport/tree/drawtreevisiting.cxx')
| -rw-r--r-- | sdext/source/pdfimport/tree/drawtreevisiting.cxx | 1087 |
1 files changed, 1087 insertions, 0 deletions
diff --git a/sdext/source/pdfimport/tree/drawtreevisiting.cxx b/sdext/source/pdfimport/tree/drawtreevisiting.cxx new file mode 100644 index 000000000000..37f9785e1469 --- /dev/null +++ b/sdext/source/pdfimport/tree/drawtreevisiting.cxx @@ -0,0 +1,1087 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_sdext.hxx" + +#include "pdfiprocessor.hxx" +#include "xmlemitter.hxx" +#include "pdfihelper.hxx" +#include "imagecontainer.hxx" +#include "style.hxx" +#include "drawtreevisiting.hxx" +#include "genericelements.hxx" + +#include "basegfx/polygon/b2dpolypolygontools.hxx" +#include "basegfx/range/b2drange.hxx" + +#include "com/sun/star/i18n/XBreakIterator.hpp" +#include "com/sun/star/lang/XMultiServiceFactory.hpp" +#include "comphelper/processfactory.hxx" +#include "com/sun/star/i18n/ScriptType.hpp" +#include "com/sun/star/i18n/DirectionProperty.hpp" + +#include <string.h> + +using namespace ::com::sun::star; +using namespace ::com::sun::star; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::i18n; +using namespace ::com::sun::star::uno; + +namespace pdfi +{ + +const ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XBreakIterator >& DrawXmlOptimizer::GetBreakIterator() +{ + if ( !mxBreakIter.is() ) + { + Reference< XComponentContext > xContext( this->m_rProcessor.m_xContext, uno::UNO_SET_THROW ); + Reference< XMultiComponentFactory > xMSF( xContext->getServiceManager(), uno::UNO_SET_THROW ); + Reference < XInterface > xInterface = xMSF->createInstanceWithContext(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.i18n.BreakIterator")), xContext); + + mxBreakIter = uno::Reference< i18n::XBreakIterator >( xInterface, uno::UNO_QUERY ); + } + return mxBreakIter; +} + +const ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XBreakIterator >& DrawXmlEmitter::GetBreakIterator() +{ + if ( !mxBreakIter.is() ) + { + Reference< XComponentContext > xContext( m_rEmitContext.m_xContext, uno::UNO_SET_THROW ); + Reference< XMultiComponentFactory > xMSF( xContext->getServiceManager(), uno::UNO_SET_THROW ); + Reference < XInterface > xInterface = xMSF->createInstanceWithContext(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.i18n.BreakIterator")), xContext); + mxBreakIter = uno::Reference< i18n::XBreakIterator >( xInterface, uno::UNO_QUERY ); + } + return mxBreakIter; +} + +const ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XCharacterClassification >& DrawXmlEmitter::GetCharacterClassification() +{ + if ( !mxCharClass.is() ) + { + Reference< XComponentContext > xContext( m_rEmitContext.m_xContext, uno::UNO_SET_THROW ); + Reference< XMultiComponentFactory > xMSF( xContext->getServiceManager(), uno::UNO_SET_THROW ); + Reference < XInterface > xInterface = xMSF->createInstanceWithContext(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.i18n.CharacterClassification")), xContext); + mxCharClass = uno::Reference< i18n::XCharacterClassification >( xInterface, uno::UNO_QUERY ); + } + return mxCharClass; +} + +void DrawXmlEmitter::visit( HyperlinkElement& elem, const std::list< Element* >::const_iterator& ) +{ + if( elem.Children.empty() ) + return; + + const char* pType = dynamic_cast<DrawElement*>(elem.Children.front()) ? "draw:a" : "text:a"; + + PropertyMap aProps; + aProps[ USTR( "xlink:type" ) ] = USTR( "simple" ); + aProps[ USTR( "xlink:href" ) ] = elem.URI; + aProps[ USTR( "office:target-frame-name" ) ] = USTR( "_blank" ); + aProps[ USTR( "xlink:show" ) ] = USTR( "new" ); + + m_rEmitContext.rEmitter.beginTag( pType, aProps ); + std::list< Element* >::iterator this_it = elem.Children.begin(); + while( this_it !=elem.Children.end() && *this_it != &elem ) + { + (*this_it)->visitedBy( *this, this_it ); + ++this_it; + } + m_rEmitContext.rEmitter.endTag( pType ); +} + +void DrawXmlEmitter::visit( TextElement& elem, const std::list< Element* >::const_iterator& ) +{ + if( ! elem.Text.getLength() ) + return; + + rtl::OUString strSpace(32); + rtl::OUString strNbSpace(160); + rtl::OUString tabSpace(0x09); + PropertyMap aProps; + if( elem.StyleId != -1 ) + { + aProps[ rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "text:style-name" ) ) ] = + m_rEmitContext.rStyles.getStyleName( elem.StyleId ); + } + + rtl::OUString str(elem.Text.getStr()); + + // Check for RTL + bool isRTL = false; + Reference< i18n::XCharacterClassification > xCC( GetCharacterClassification() ); + if( xCC.is() ) + { + for(int i=1; i< elem.Text.getLength(); i++) + { + sal_Int16 nType = xCC->getCharacterDirection( str, i ); + if ( nType == ::com::sun::star::i18n::DirectionProperty_RIGHT_TO_LEFT || + nType == ::com::sun::star::i18n::DirectionProperty_RIGHT_TO_LEFT_ARABIC || + nType == ::com::sun::star::i18n::DirectionProperty_RIGHT_TO_LEFT_EMBEDDING || + nType == ::com::sun::star::i18n::DirectionProperty_RIGHT_TO_LEFT_OVERRIDE + ) + isRTL = true; + } + } + + if (isRTL) // If so, reverse string + str = m_rProcessor.mirrorString( str ); + + m_rEmitContext.rEmitter.beginTag( "text:span", aProps ); + + for(int i=0; i< elem.Text.getLength(); i++) + { + rtl::OUString strToken= str.copy(i,1) ; + if( strSpace.equals(strToken) || strNbSpace.equals(strToken)) + { + aProps[ USTR( "text:c" ) ] = USTR( "1" ); + m_rEmitContext.rEmitter.beginTag( "text:s", aProps ); + m_rEmitContext.rEmitter.endTag( "text:s"); + } + else + { + if( tabSpace.equals(strToken) ) + { + m_rEmitContext.rEmitter.beginTag( "text:tab", aProps ); + m_rEmitContext.rEmitter.endTag( "text:tab"); + } + else + { + m_rEmitContext.rEmitter.write( strToken ); + } + } + } + + std::list< Element* >::iterator this_it = elem.Children.begin(); + while( this_it !=elem.Children.end() && *this_it != &elem ) + { + (*this_it)->visitedBy( *this, this_it ); + ++this_it; + } + + m_rEmitContext.rEmitter.endTag( "text:span" ); +} + +void DrawXmlEmitter::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& ) +{ + PropertyMap aProps; + if( elem.StyleId != -1 ) + { + aProps[ USTR( "text:style-name" ) ] = m_rEmitContext.rStyles.getStyleName( elem.StyleId ); + } + const char* pTagType = "text:p"; + if( elem.Type == elem.Headline ) + pTagType = "text:h"; + m_rEmitContext.rEmitter.beginTag( pTagType, aProps ); + + std::list< Element* >::iterator this_it = elem.Children.begin(); + while( this_it !=elem.Children.end() && *this_it != &elem ) + { + (*this_it)->visitedBy( *this, this_it ); + ++this_it; + } + + m_rEmitContext.rEmitter.endTag( pTagType ); +} + +void DrawXmlEmitter::fillFrameProps( DrawElement& rElem, + PropertyMap& rProps, + const EmitContext& rEmitContext, + bool bWasTransformed + ) +{ + double rel_x = rElem.x, rel_y = rElem.y; + + rProps[ USTR( "draw:z-index" ) ] = rtl::OUString::valueOf( rElem.ZOrder ); + rProps[ USTR( "draw:style-name" )] = rEmitContext.rStyles.getStyleName( rElem.StyleId ); + rProps[ USTR( "svg:width" ) ] = convertPixelToUnitString( rElem.w ); + rProps[ USTR( "svg:height" ) ] = convertPixelToUnitString( rElem.h ); + + const GraphicsContext& rGC = + rEmitContext.rProcessor.getGraphicsContext( rElem.GCId ); + if( rGC.Transformation.isIdentity() || bWasTransformed ) + { + rProps[ USTR( "svg:x" ) ] = convertPixelToUnitString( rel_x ); + rProps[ USTR( "svg:y" ) ] = convertPixelToUnitString( rel_y ); + } + else + { + basegfx::B2DTuple aScale, aTranslation; + double fRotate, fShearX; + + rGC.Transformation.decompose( aScale, aTranslation, fRotate, fShearX ); + + rtl::OUStringBuffer aBuf( 256 ); + + // TODO(F2): general transformation case missing; if implemented, note + // that ODF rotation is oriented the other way + + // vertical mirroring is done by horizontally mirroring and rotaing 180 degree + // quaint ! + if( rElem.MirrorVertical ) + fRotate += M_PI; + + // build transformation string + if( fShearX != 0.0 ) + { + aBuf.appendAscii( "skewX( " ); + aBuf.append( fShearX ); + aBuf.appendAscii( " )" ); + } + if( fRotate != 0.0 ) + { + if( aBuf.getLength() > 0 ) + aBuf.append( sal_Unicode(' ') ); + aBuf.appendAscii( "rotate( " ); + aBuf.append( -fRotate ); + aBuf.appendAscii( " )" ); + + } + if( aBuf.getLength() > 0 ) + aBuf.append( sal_Unicode(' ') ); + aBuf.appendAscii( "translate( " ); + aBuf.append( convertPixelToUnitString( rel_x ) ); + aBuf.append( sal_Unicode(' ') ); + aBuf.append( convertPixelToUnitString( rel_y ) ); + aBuf.appendAscii( " )" ); + + rProps[ USTR( "draw:transform" ) ] = aBuf.makeStringAndClear(); + } +} + +void DrawXmlEmitter::visit( FrameElement& elem, const std::list< Element* >::const_iterator& ) +{ + if( elem.Children.empty() ) + return; + + bool bTextBox = (dynamic_cast<ParagraphElement*>(elem.Children.front()) != NULL); + PropertyMap aFrameProps; + fillFrameProps( elem, aFrameProps, m_rEmitContext ); + m_rEmitContext.rEmitter.beginTag( "draw:frame", aFrameProps ); + if( bTextBox ) + m_rEmitContext.rEmitter.beginTag( "draw:text-box", PropertyMap() ); + + std::list< Element* >::iterator this_it = elem.Children.begin(); + while( this_it !=elem.Children.end() && *this_it != &elem ) + { + (*this_it)->visitedBy( *this, this_it ); + ++this_it; + } + + if( bTextBox ) + m_rEmitContext.rEmitter.endTag( "draw:text-box" ); + m_rEmitContext.rEmitter.endTag( "draw:frame" ); +} + +void DrawXmlEmitter::visit( PolyPolyElement& elem, const std::list< Element* >::const_iterator& ) +{ + elem.updateGeometry(); + /* note: + * aw recommends using 100dth of mm in all respects since the xml import + * (a) is buggy (see issue 37213) + * (b) is optimized for 100dth of mm and does not scale itself then, + * this does not gain us speed but makes for smaller rounding errors since + * the xml importer coordinates are integer based + */ + for (sal_uInt32 i = 0; i< elem.PolyPoly.count(); i++) + { + basegfx::B2DPolygon b2dPolygon; + b2dPolygon = elem.PolyPoly.getB2DPolygon( i ); + + for ( sal_uInt32 j = 0; j< b2dPolygon.count(); j++ ) + { + basegfx::B2DPoint point; + basegfx::B2DPoint nextPoint; + point = b2dPolygon.getB2DPoint( j ); + + basegfx::B2DPoint prevPoint; + prevPoint = b2dPolygon.getPrevControlPoint( j ) ; + + point.setX( convPx2mmPrec2( point.getX() )*100.0 ); + point.setY( convPx2mmPrec2( point.getY() )*100.0 ); + + if ( b2dPolygon.isPrevControlPointUsed( j ) ) + { + prevPoint.setX( convPx2mmPrec2( prevPoint.getX() )*100.0 ); + prevPoint.setY( convPx2mmPrec2( prevPoint.getY() )*100.0 ); + } + + if ( b2dPolygon.isNextControlPointUsed( j ) ) + { + nextPoint = b2dPolygon.getNextControlPoint( j ) ; + nextPoint.setX( convPx2mmPrec2( nextPoint.getX() )*100.0 ); + nextPoint.setY( convPx2mmPrec2( nextPoint.getY() )*100.0 ); + } + + b2dPolygon.setB2DPoint( j, point ); + + if ( b2dPolygon.isPrevControlPointUsed( j ) ) + b2dPolygon.setPrevControlPoint( j , prevPoint ) ; + + if ( b2dPolygon.isNextControlPointUsed( j ) ) + b2dPolygon.setNextControlPoint( j , nextPoint ) ; + } + + elem.PolyPoly.setB2DPolygon( i, b2dPolygon ); + } + + PropertyMap aProps; + // PDFIProcessor transforms geometrical objects, not images and text + // so we need to tell fillFrameProps here that the transformation for + // a PolyPolyElement was already applied (aside form translation) + fillFrameProps( elem, aProps, m_rEmitContext, true ); + rtl::OUStringBuffer aBuf( 64 ); + aBuf.appendAscii( "0 0 " ); + aBuf.append( convPx2mmPrec2(elem.w)*100.0 ); + aBuf.append( sal_Unicode(' ') ); + aBuf.append( convPx2mmPrec2(elem.h)*100.0 ); + aProps[ USTR( "svg:viewBox" ) ] = aBuf.makeStringAndClear(); + aProps[ USTR( "svg:d" ) ] = basegfx::tools::exportToSvgD( elem.PolyPoly ); + + m_rEmitContext.rEmitter.beginTag( "draw:path", aProps ); + m_rEmitContext.rEmitter.endTag( "draw:path" ); +} + +void DrawXmlEmitter::visit( ImageElement& elem, const std::list< Element* >::const_iterator& ) +{ + PropertyMap aImageProps; + m_rEmitContext.rEmitter.beginTag( "draw:image", aImageProps ); + m_rEmitContext.rEmitter.beginTag( "office:binary-data", PropertyMap() ); + m_rEmitContext.rImages.writeBase64EncodedStream( elem.Image, m_rEmitContext); + m_rEmitContext.rEmitter.endTag( "office:binary-data" ); + m_rEmitContext.rEmitter.endTag( "draw:image" ); +} + +void DrawXmlEmitter::visit( PageElement& elem, const std::list< Element* >::const_iterator& ) +{ + PropertyMap aPageProps; + aPageProps[ USTR( "draw:master-page-name" ) ] = m_rEmitContext.rStyles.getStyleName( elem.StyleId ); + + m_rEmitContext.rEmitter.beginTag("draw:page", aPageProps); + + if( m_rEmitContext.xStatusIndicator.is() ) + m_rEmitContext.xStatusIndicator->setValue( elem.PageNumber ); + + std::list< Element* >::iterator this_it = elem.Children.begin(); + while( this_it !=elem.Children.end() && *this_it != &elem ) + { + (*this_it)->visitedBy( *this, this_it ); + ++this_it; + } + + m_rEmitContext.rEmitter.endTag("draw:page"); +} + +void DrawXmlEmitter::visit( DocumentElement& elem, const std::list< Element* >::const_iterator&) +{ + m_rEmitContext.rEmitter.beginTag( "office:body", PropertyMap() ); + m_rEmitContext.rEmitter.beginTag( m_bWriteDrawDocument ? "office:drawing" : "office:presentation", + PropertyMap() ); + + std::list< Element* >::iterator this_it = elem.Children.begin(); + while( this_it !=elem.Children.end() && *this_it != &elem ) + { + (*this_it)->visitedBy( *this, this_it ); + ++this_it; + } + + m_rEmitContext.rEmitter.endTag( m_bWriteDrawDocument ? "office:drawing" : "office:presentation" ); + m_rEmitContext.rEmitter.endTag( "office:body" ); +} + +///////////////////////////////////////////////////////////////// + +void DrawXmlOptimizer::visit( HyperlinkElement&, const std::list< Element* >::const_iterator& ) +{ +} + +void DrawXmlOptimizer::visit( TextElement&, const std::list< Element* >::const_iterator&) +{ +} + +void DrawXmlOptimizer::visit( FrameElement& elem, const std::list< Element* >::const_iterator& ) +{ + elem.applyToChildren(*this); +} + +void DrawXmlOptimizer::visit( ImageElement&, const std::list< Element* >::const_iterator& ) +{ +} + +void DrawXmlOptimizer::visit( PolyPolyElement& elem, const std::list< Element* >::const_iterator& ) +{ + /* note: optimize two consecutive PolyPolyElements that + * have the same path but one of which is a stroke while + * the other is a fill + */ + if( elem.Parent ) + { + // find following PolyPolyElement in parent's children list + std::list< Element* >::iterator this_it = elem.Parent->Children.begin(); + while( this_it != elem.Parent->Children.end() && *this_it != &elem ) + ++this_it; + + if( this_it != elem.Parent->Children.end() ) + { + std::list< Element* >::iterator next_it = this_it; + if( ++next_it != elem.Parent->Children.end() ) + { + PolyPolyElement* pNext = dynamic_cast<PolyPolyElement*>(*next_it); + + // TODO(F2): this comparison fails for OOo-generated polygons with beziers. + if( pNext && pNext->PolyPoly == elem.PolyPoly ) + { + const GraphicsContext& rNextGC = + m_rProcessor.getGraphicsContext( pNext->GCId ); + const GraphicsContext& rThisGC = + m_rProcessor.getGraphicsContext( elem.GCId ); + + if( rThisGC.BlendMode == rNextGC.BlendMode && + rThisGC.Flatness == rNextGC.Flatness && + rThisGC.Transformation == rNextGC.Transformation && + rThisGC.Clip == rNextGC.Clip && + rThisGC.FillColor.Red == rNextGC.FillColor.Red && + rThisGC.FillColor.Green== rNextGC.FillColor.Green && + rThisGC.FillColor.Blue == rNextGC.FillColor.Blue && + rThisGC.FillColor.Alpha== rNextGC.FillColor.Alpha && + pNext->Action == PATH_STROKE && + (elem.Action == PATH_FILL || elem.Action == PATH_EOFILL) ) + { + GraphicsContext aGC = rThisGC; + aGC.LineJoin = rNextGC.LineJoin; + aGC.LineCap = rNextGC.LineCap; + aGC.LineWidth = rNextGC.LineWidth; + aGC.MiterLimit= rNextGC.MiterLimit; + aGC.DashArray = rNextGC.DashArray; + aGC.LineColor = rNextGC.LineColor; + elem.GCId = m_rProcessor.getGCId( aGC ); + + elem.Action |= pNext->Action; + + elem.Children.splice( elem.Children.end(), pNext->Children ); + elem.Parent->Children.erase( next_it ); + delete pNext; + } + } + } + } + } +} + +void DrawXmlOptimizer::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& ) +{ + optimizeTextElements( elem ); + + elem.applyToChildren(*this); +} + +void DrawXmlOptimizer::visit( PageElement& elem, const std::list< Element* >::const_iterator& ) +{ + if( m_rProcessor.getStatusIndicator().is() ) + m_rProcessor.getStatusIndicator()->setValue( elem.PageNumber ); + + // resolve hyperlinks + elem.resolveHyperlinks(); + + elem.resolveFontStyles( m_rProcessor ); // underlines and such + + // FIXME: until hyperlinks and font effects are adjusted for + // geometrical search handle them before sorting + m_rProcessor.sortElements( &elem ); + + // find paragraphs in text + ParagraphElement* pCurPara = NULL; + std::list< Element* >::iterator page_element, next_page_element; + next_page_element = elem.Children.begin(); + double fCurLineHeight = 0.0; // average height of text items in current para + int nCurLineElements = 0; // number of line contributing elements in current para + double line_left = elem.w, line_right = 0.0; + double column_width = elem.w*0.75; // estimate text width + // TODO: guess columns + while( next_page_element != elem.Children.end() ) + { + page_element = next_page_element++; + ParagraphElement* pPagePara = dynamic_cast<ParagraphElement*>(*page_element); + if( pPagePara ) + { + pCurPara = pPagePara; + // adjust line height and text items + fCurLineHeight = 0.0; + nCurLineElements = 0; + for( std::list< Element* >::iterator it = pCurPara->Children.begin(); + it != pCurPara->Children.end(); ++it ) + { + TextElement* pTestText = dynamic_cast<TextElement*>(*it); + if( pTestText ) + { + fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pTestText->h)/double(nCurLineElements+1); + nCurLineElements++; + } + } + continue; + } + + HyperlinkElement* pLink = dynamic_cast<HyperlinkElement*>(*page_element); + DrawElement* pDraw = dynamic_cast<DrawElement*>(*page_element); + if( ! pDraw && pLink && ! pLink->Children.empty() ) + pDraw = dynamic_cast<DrawElement*>(pLink->Children.front() ); + if( pDraw ) + { + // insert small drawing objects as character, else leave them page bound + + bool bInsertToParagraph = false; + // first check if this is either inside the paragraph + if( pCurPara && pDraw->y < pCurPara->y + pCurPara->h ) + { + if( pDraw->h < fCurLineHeight * 1.5 ) + { + bInsertToParagraph = true; + fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pDraw->h)/double(nCurLineElements+1); + nCurLineElements++; + // mark draw element as character + pDraw->isCharacter = true; + } + } + // or perhaps the draw element begins a new paragraph + else if( next_page_element != elem.Children.end() ) + { + TextElement* pText = dynamic_cast<TextElement*>(*next_page_element); + if( ! pText ) + { + ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(*next_page_element); + if( pPara && ! pPara->Children.empty() ) + pText = dynamic_cast<TextElement*>(pPara->Children.front()); + } + if( pText && // check there is a text + pDraw->h < pText->h*1.5 && // and it is approx the same height + // and either upper or lower edge of pDraw is inside text's vertical range + ( ( pDraw->y >= pText->y && pDraw->y <= pText->y+pText->h ) || + ( pDraw->y+pDraw->h >= pText->y && pDraw->y+pDraw->h <= pText->y+pText->h ) + ) + ) + { + bInsertToParagraph = true; + fCurLineHeight = pDraw->h; + nCurLineElements = 1; + line_left = pDraw->x; + line_right = pDraw->x + pDraw->w; + // begin a new paragraph + pCurPara = NULL; + // mark draw element as character + pDraw->isCharacter = true; + } + } + + if( ! bInsertToParagraph ) + { + pCurPara = NULL; + continue; + } + } + + TextElement* pText = dynamic_cast<TextElement*>(*page_element); + if( ! pText && pLink && ! pLink->Children.empty() ) + pText = dynamic_cast<TextElement*>(pLink->Children.front()); + if( pText ) + { + Element* pGeo = pLink ? static_cast<Element*>(pLink) : + static_cast<Element*>(pText); + if( pCurPara ) + { + // there was already a text element, check for a new paragraph + if( nCurLineElements > 0 ) + { + // if the new text is significantly distant from the paragraph + // begin a new paragraph + if( pGeo->y > pCurPara->y + pCurPara->h + fCurLineHeight*0.5 ) + pCurPara = NULL; // insert new paragraph + else if( pGeo->y > (pCurPara->y+pCurPara->h - fCurLineHeight*0.05) ) + { + // new paragraph if either the last line of the paragraph + // was significantly shorter than the paragraph as a whole + if( (line_right - line_left) < pCurPara->w*0.75 ) + pCurPara = NULL; + // or the last line was significantly smaller than the column width + else if( (line_right - line_left) < column_width*0.75 ) + pCurPara = NULL; + } + } + + + } + + + // update line height/width + if( pCurPara ) + { + fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pGeo->h)/double(nCurLineElements+1); + nCurLineElements++; + if( pGeo->x < line_left ) + line_left = pGeo->x; + if( pGeo->x+pGeo->w > line_right ) + line_right = pGeo->x+pGeo->w; + } + else + { + fCurLineHeight = pGeo->h; + nCurLineElements = 1; + line_left = pGeo->x; + line_right = pGeo->x + pGeo->w; + } + } + + + // move element to current paragraph + if (! pCurPara ) // new paragraph, insert one + { + pCurPara = m_rProcessor.getElementFactory()->createParagraphElement( NULL ); + // set parent + pCurPara->Parent = &elem; + //insert new paragraph before current element + page_element = elem.Children.insert( page_element, pCurPara ); + // forward iterator to current element again + ++ page_element; + // update next_element which is now invalid + next_page_element = page_element; + ++ next_page_element; + } + Element* pCurEle = *page_element; + pCurEle->setParent( page_element, pCurPara ); + OSL_ENSURE( !pText || pCurEle == pText || pCurEle == pLink, "paragraph child list in disorder" ); + if( pText || pDraw ) + pCurPara->updateGeometryWith( pCurEle ); + } + + // process children + elem.applyToChildren(*this); +} + +bool isSpaces(TextElement* pTextElem) +{ + rtl::OUString strSpace(32); + ::rtl::OUString ouTxt2(pTextElem->Text); + for(int i=0; i< pTextElem->Text.getLength(); i++) + { + rtl::OUString strToken = ouTxt2.copy(i,1) ; + if( !strSpace.equals(strToken) ) + return false; + } + return true; +} + +bool notTransformed(GraphicsContext GC) +{ + return ( + GC.Transformation.get(0,0) == 100.00 && + GC.Transformation.get(1,0) == 0.00 && + GC.Transformation.get(0,1) == 0.00 && + GC.Transformation.get(1,1) == -100.00 + ); +} + +void DrawXmlOptimizer::optimizeTextElements(Element& rParent) +{ + if( rParent.Children.empty() ) // this should not happen + { + OSL_FAIL( "empty paragraph optimized" ); + return; + } + + // concatenate child elements with same font id + std::list< Element* >::iterator next = rParent.Children.begin(); + std::list< Element* >::iterator it = next++; + + while( next != rParent.Children.end() ) + { + bool bConcat = false; + TextElement* pCur = dynamic_cast<TextElement*>(*it); + + if( pCur ) + { + TextElement* pNext = dynamic_cast<TextElement*>(*next); + bool isComplex = false; + rtl::OUString str(pCur->Text.getStr()); + for(int i=0; i< str.getLength(); i++) + { + sal_Int16 nType = GetBreakIterator()->getScriptType( str, i ); + if (nType == ::com::sun::star::i18n::ScriptType::COMPLEX) + isComplex = true; + } + bool bPara = strspn("ParagraphElement", typeid(rParent).name()); + ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(&rParent); + if (bPara && isComplex) + pPara->bRtl = true; + if( pNext ) + { + const GraphicsContext& rCurGC = m_rProcessor.getGraphicsContext( pCur->GCId ); + const GraphicsContext& rNextGC = m_rProcessor.getGraphicsContext( pNext->GCId ); + + // line and space optimization; works only in strictly horizontal mode + + // concatenate consecutive text elements unless there is a + // font or text color or matrix change, leave a new span in that case + if( (pCur->FontId == pNext->FontId || isSpaces(pNext)) && + rCurGC.FillColor.Red == rNextGC.FillColor.Red && + rCurGC.FillColor.Green == rNextGC.FillColor.Green && + rCurGC.FillColor.Blue == rNextGC.FillColor.Blue && + rCurGC.FillColor.Alpha == rNextGC.FillColor.Alpha && + (rCurGC.Transformation == rNextGC.Transformation || notTransformed(rNextGC)) + ) + { + pCur->updateGeometryWith( pNext ); + // append text to current element + pCur->Text.append( pNext->Text.getStr(), pNext->Text.getLength() ); + + str = pCur->Text.getStr(); + for(int i=0; i< str.getLength(); i++) + { + sal_Int16 nType = GetBreakIterator()->getScriptType( str, i ); + if (nType == ::com::sun::star::i18n::ScriptType::COMPLEX) + isComplex = true; + } + if (bPara && isComplex) + pPara->bRtl = true; + // append eventual children to current element + // and clear children (else the children just + // appended to pCur would be destroyed) + pCur->Children.splice( pCur->Children.end(), pNext->Children ); + // get rid of the now useless element + rParent.Children.erase( next ); + delete pNext; + bConcat = true; + } + } + } + else if( dynamic_cast<HyperlinkElement*>(*it) ) + optimizeTextElements( **it ); + if ( bConcat ) + next = it; + else + ++it; + ++next; + } +} + +void DrawXmlOptimizer::visit( DocumentElement& elem, const std::list< Element* >::const_iterator&) +{ + elem.applyToChildren(*this); +} + +////////////////////////////////////////////////////////////////////////////////// + + +void DrawXmlFinalizer::visit( PolyPolyElement& elem, const std::list< Element* >::const_iterator& ) +{ + // xxx TODO copied from DrawElement + const GraphicsContext& rGC = m_rProcessor.getGraphicsContext(elem.GCId ); + PropertyMap aProps; + aProps[ USTR( "style:family" ) ] = USTR( "graphic" ); + aProps[ USTR( "style:parent-style-name") ] = USTR( "standard" ); + // generate standard graphic style if necessary + m_rStyleContainer.getStandardStyleId( "graphic" ); + + PropertyMap aGCProps; + + // TODO(F3): proper dash emulation + if( elem.Action & PATH_STROKE ) + { + aGCProps[ USTR("draw:stroke") ] = rGC.DashArray.empty() ? USTR("solid") : USTR("dash"); + aGCProps[ USTR("svg:stroke-color") ] = getColorString( rGC.LineColor ); + if( rGC.LineWidth != 0.0 ) + { + ::basegfx::B2DVector aVec(rGC.LineWidth,0); + aVec *= rGC.Transformation; + + aVec.setX ( convPx2mmPrec2( aVec.getX() )*100.0 ); + aVec.setY ( convPx2mmPrec2( aVec.getY() )*100.0 ); + + aGCProps[ USTR("svg:stroke-width") ] = rtl::OUString::valueOf( aVec.getLength() ); + } + } + else + { + aGCProps[ USTR("draw:stroke") ] = USTR("none"); + } + + // TODO(F1): check whether stuff could be emulated by gradient/bitmap/hatch + if( elem.Action & (PATH_FILL | PATH_EOFILL) ) + { + aGCProps[ USTR("draw:fill") ] = USTR("solid"); + aGCProps[ USTR("draw:fill-color") ] = getColorString( rGC.FillColor ); + } + else + { + aGCProps[ USTR("draw:fill") ] = USTR("none"); + } + + StyleContainer::Style aStyle( "style:style", aProps ); + StyleContainer::Style aSubStyle( "style:graphic-properties", aGCProps ); + aStyle.SubStyles.push_back( &aSubStyle ); + + elem.StyleId = m_rStyleContainer.getStyleId( aStyle ); +} + +void DrawXmlFinalizer::visit( HyperlinkElement&, const std::list< Element* >::const_iterator& ) +{ +} + +void DrawXmlFinalizer::visit( TextElement& elem, const std::list< Element* >::const_iterator& ) +{ + const FontAttributes& rFont = m_rProcessor.getFont( elem.FontId ); + PropertyMap aProps; + aProps[ USTR( "style:family" ) ] = USTR( "text" ); + + PropertyMap aFontProps; + + // family name + aFontProps[ USTR( "fo:font-family" ) ] = rFont.familyName; + aFontProps[ USTR( "style:font-family-complex" ) ] = rFont.familyName; + + // bold + if( rFont.isBold ) + { + aFontProps[ USTR( "fo:font-weight" ) ] = USTR( "bold" ); + aFontProps[ USTR( "fo:font-weight-asian" ) ] = USTR( "bold" ); + aFontProps[ USTR( "style:font-weight-complex" ) ] = USTR( "bold" ); + } + // italic + if( rFont.isItalic ) + { + aFontProps[ USTR( "fo:font-style" ) ] = USTR( "italic" ); + aFontProps[ USTR( "fo:font-style-asian" ) ] = USTR( "italic" ); + aFontProps[ USTR( "style:font-style-complex" ) ] = USTR( "italic" ); + } + // underline + if( rFont.isUnderline ) + { + aFontProps[ USTR( "style:text-underline-style" ) ] = USTR( "solid" ); + aFontProps[ USTR( "style:text-underline-width" ) ] = USTR( "auto" ); + aFontProps[ USTR( "style:text-underline-color" ) ] = USTR( "font-color" ); + } + // outline + if( rFont.isOutline ) + { + aFontProps[ USTR( "style:text-outline" ) ] = USTR( "true" ); + } + // size + rtl::OUStringBuffer aBuf( 32 ); + aBuf.append( rFont.size*72/PDFI_OUTDEV_RESOLUTION ); + aBuf.appendAscii( "pt" ); + rtl::OUString aFSize = aBuf.makeStringAndClear(); + aFontProps[ USTR( "fo:font-size" ) ] = aFSize; + aFontProps[ USTR( "style:font-size-asian" ) ] = aFSize; + aFontProps[ USTR( "style:font-size-complex" ) ] = aFSize; + // color + const GraphicsContext& rGC = m_rProcessor.getGraphicsContext( elem.GCId ); + aFontProps[ USTR( "fo:color" ) ] = getColorString( rFont.isOutline ? rGC.LineColor : rGC.FillColor ); + + StyleContainer::Style aStyle( "style:style", aProps ); + StyleContainer::Style aSubStyle( "style:text-properties", aFontProps ); + aStyle.SubStyles.push_back( &aSubStyle ); + elem.StyleId = m_rStyleContainer.getStyleId( aStyle ); +} + +void DrawXmlFinalizer::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& ) +{ + + PropertyMap aProps; + aProps[ USTR( "style:family" ) ] = USTR( "paragraph" ); + // generate standard paragraph style if necessary + m_rStyleContainer.getStandardStyleId( "paragraph" ); + + PropertyMap aParProps; + + aParProps[ USTR("fo:text-align")] = USTR("start"); + if (elem.bRtl) + aParProps[ USTR("style:writing-mode")] = USTR("rl-tb"); + else + aParProps[ USTR("style:writing-mode")] = USTR("lr-tb"); + + StyleContainer::Style aStyle( "style:style", aProps ); + StyleContainer::Style aSubStyle( "style:paragraph-properties", aParProps ); + aStyle.SubStyles.push_back( &aSubStyle ); + + elem.StyleId = m_rStyleContainer.getStyleId( aStyle ); + + elem.applyToChildren(*this); +} + +void DrawXmlFinalizer::visit( FrameElement& elem, const std::list< Element* >::const_iterator&) +{ + PropertyMap aProps; + aProps[ USTR( "style:family" ) ] = USTR( "graphic" ); + aProps[ USTR( "style:parent-style-name") ] = USTR( "standard" ); + // generate standard graphic style if necessary + m_rStyleContainer.getStandardStyleId( "graphic" ); + + PropertyMap aGCProps; + + aGCProps[ USTR("draw:stroke") ] = USTR("none"); + aGCProps[ USTR("draw:fill") ] = USTR("none"); + aGCProps[ USTR("draw:auto-grow-height") ] = USTR("true"); + aGCProps[ USTR("draw:auto-grow-width") ] = USTR("true"); + aGCProps[ USTR("draw:textarea-horizontal-align") ] = USTR("left"); + aGCProps[ USTR("draw:textarea-vertical-align") ] = USTR("top"); + aGCProps[ USTR("fo:min-height")] = USTR("0cm"); + aGCProps[ USTR("fo:min-width")] = USTR("0cm"); + aGCProps[ USTR("fo:padding-top") ] = USTR("0cm"); + aGCProps[ USTR("fo:padding-left") ] = USTR("0cm"); + aGCProps[ USTR("fo:padding-right") ] = USTR("0cm"); + aGCProps[ USTR("fo:padding-bottom") ] = USTR("0cm"); + + // remark: vertical mirroring is done in current OOO by + // mirroring horzontally and rotating 180 degrees + // this is quaint, but unfortunately it seems + // mirror=vertical is defined but not implemented in current code + if( elem.MirrorVertical ) + aGCProps[ USTR("style:mirror") ] = USTR("horizontal"); + + StyleContainer::Style aStyle( "style:style", aProps ); + StyleContainer::Style aSubStyle( "style:graphic-properties", aGCProps ); + aStyle.SubStyles.push_back( &aSubStyle ); + + elem.StyleId = m_rStyleContainer.getStyleId( aStyle ); + elem.applyToChildren(*this); +} + +void DrawXmlFinalizer::visit( ImageElement&, const std::list< Element* >::const_iterator& ) +{ +} + +void DrawXmlFinalizer::visit( PageElement& elem, const std::list< Element* >::const_iterator& ) +{ + if( m_rProcessor.getStatusIndicator().is() ) + m_rProcessor.getStatusIndicator()->setValue( elem.PageNumber ); + + // transform from pixel to mm + double page_width = convPx2mm( elem.w ), page_height = convPx2mm( elem.h ); + + // calculate page margins out of the relevant children (paragraphs) + elem.TopMargin = elem.h, elem.BottomMargin = 0, elem.LeftMargin = elem.w, elem.RightMargin = 0; + + for( std::list< Element* >::const_iterator it = elem.Children.begin(); it != elem.Children.end(); ++it ) + { + if( (*it)->x < elem.LeftMargin ) + elem.LeftMargin = (*it)->x; + if( (*it)->y < elem.TopMargin ) + elem.TopMargin = (*it)->y; + if( (*it)->x + (*it)->w > elem.RightMargin ) + elem.RightMargin = ((*it)->x + (*it)->w); + if( (*it)->y + (*it)->h > elem.BottomMargin ) + elem.BottomMargin = ((*it)->y + (*it)->h); + } + + // transform margins to mm + double left_margin = convPx2mm( elem.LeftMargin ); + double right_margin = convPx2mm( elem.RightMargin ); + double top_margin = convPx2mm( elem.TopMargin ); + double bottom_margin = convPx2mm( elem.BottomMargin ); + + // round left/top margin to nearest mm + left_margin = rtl_math_round( left_margin, 0, rtl_math_RoundingMode_Floor ); + top_margin = rtl_math_round( top_margin, 0, rtl_math_RoundingMode_Floor ); + // round (fuzzy) right/bottom margin to nearest cm + right_margin = rtl_math_round( right_margin, right_margin >= 10 ? -1 : 0, rtl_math_RoundingMode_Floor ); + bottom_margin = rtl_math_round( bottom_margin, bottom_margin >= 10 ? -1 : 0, rtl_math_RoundingMode_Floor ); + + // set reasonable default in case of way too large margins + // e.g. no paragraph case + if( left_margin > page_width/2.0 - 10 ) + left_margin = 10; + if( right_margin > page_width/2.0 - 10 ) + right_margin = 10; + if( top_margin > page_height/2.0 - 10 ) + top_margin = 10; + if( bottom_margin > page_height/2.0 - 10 ) + bottom_margin = 10; + + // catch the weird cases + if( left_margin < 0 ) + left_margin = 0; + if( right_margin < 0 ) + right_margin = 0; + if( top_margin < 0 ) + top_margin = 0; + if( bottom_margin < 0 ) + bottom_margin = 0; + + // widely differing margins are unlikely to be correct + if( right_margin > left_margin*1.5 ) + right_margin = left_margin; + + elem.LeftMargin = convmm2Px( left_margin ); + elem.RightMargin = convmm2Px( right_margin ); + elem.TopMargin = convmm2Px( top_margin ); + elem.BottomMargin = convmm2Px( bottom_margin ); + + // get styles for paragraphs + PropertyMap aPageProps; + PropertyMap aPageLayoutProps; + rtl::OUStringBuffer aBuf( 64 ); + aPageLayoutProps[ USTR( "fo:margin-top" ) ] = unitMMString( top_margin ); + aPageLayoutProps[ USTR( "fo:margin-bottom" ) ] = unitMMString( bottom_margin ); + aPageLayoutProps[ USTR( "fo:margin-left" ) ] = unitMMString( left_margin ); + aPageLayoutProps[ USTR( "fo:margin-right" ) ] = unitMMString( right_margin ); + aPageLayoutProps[ USTR( "fo:page-width" ) ] = unitMMString( page_width ); + aPageLayoutProps[ USTR( "fo:page-height" ) ] = unitMMString( page_height ); + aPageLayoutProps[ USTR( "style:print-orientation" ) ]= elem.w < elem.h ? USTR( "portrait" ) : USTR( "landscape" ); + aPageLayoutProps[ USTR( "style:writing-mode" ) ]= USTR( "lr-tb" ); + + StyleContainer::Style aStyle( "style:page-layout", aPageProps); + StyleContainer::Style aSubStyle( "style:page-layout-properties", aPageLayoutProps); + aStyle.SubStyles.push_back(&aSubStyle); + sal_Int32 nPageStyle = m_rStyleContainer.impl_getStyleId( aStyle, false ); + + // create master page + rtl::OUString aMasterPageLayoutName = m_rStyleContainer.getStyleName( nPageStyle ); + aPageProps[ USTR( "style:page-layout-name" ) ] = aMasterPageLayoutName; + + StyleContainer::Style aMPStyle( "style:master-page", aPageProps); + + StyleContainer::Style aHeaderStyle( "style:header", PropertyMap() ); + StyleContainer::Style aFooterStyle( "style:footer", PropertyMap() ); + + elem.StyleId = m_rStyleContainer.impl_getStyleId( aMPStyle,false ); + + + rtl::OUString aMasterPageName = m_rStyleContainer.getStyleName( elem.StyleId ); + + // create styles for children + elem.applyToChildren(*this); +} + +void DrawXmlFinalizer::visit( DocumentElement& elem, const std::list< Element* >::const_iterator& ) +{ + elem.applyToChildren(*this); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |